Empty proc file is not an error

cecile75 · web-flow · commit 073e4bbed5bc · 2019-12-11T16:35:42.000+01:00
diff --git a/dd-trace-ot/src/main/java/datadog/opentracing/ContainerInfo.java b/dd-trace-ot/src/main/java/datadog/opentracing/ContainerInfo.java
@@ -72,8 +72,8 @@ public static boolean isRunningInContainer() {
   public static ContainerInfo fromDefaultProcFile() throws IOException, ParseException {
     final String content = new String(Files.readAllBytes(CGROUP_DEFAULT_PROCFILE));
     if (content.isEmpty()) {
-      log.error("proc file is empty");
-      throw new IOException();
+      log.debug("Proc file is empty");
+      return new ContainerInfo();
     }
     return parse(content);
   }

Original file line number	Diff line number	Diff line change
`@@ -72,8 +72,8 @@ public static boolean isRunningInContainer() {`
`72`	`72`	`public static ContainerInfo fromDefaultProcFile() throws IOException, ParseException {`
`73`	`73`	`final String content = new String(Files.readAllBytes(CGROUP_DEFAULT_PROCFILE));`
`74`	`74`	`if (content.isEmpty()) {`
`75`		`- log.error("proc file is empty");`
`76`		`- throw new IOException();`
	`75`	`+ log.debug("Proc file is empty");`
	`76`	`+ return new ContainerInfo();`
`77`	`77`	`}`
`78`	`78`	`return parse(content);`
`79`	`79`	`}`